A variety of Halloween events will be held throughout the week in Tuolumne and Calaveras counties, including:

“Realms of Darkness,” the 4-H haunted house, continues with performances through Halloween in the red barn at Sonora Lumber, 730 S. Washington St. in downtown Sonora. Featuring live actors and special effects, the haunted house is staged by Tuolumne County 4-H teens and adult volunteers. Performances are not recommended for young children. Admission is $10 per person (cash only, paid at the door). Evening performances will be held:

• Friday, 7 to 9:30 p.m.

• Saturday, 7 to 9:30 p.m.

• Monday, Oct. 30, 7 to 8:30 p.m.

• Tuesday, Oct. 31, 7 to 9:30 p.m.

The haunted house is wheelchair accessible. No pets, smoking, cell phones or masks. The group rate is $5 per person (for 10 or more, presale only). Call for group tickets at least 24 hours ahead. The “Realms of Darkness” haunted house started in 1999 and acts as a fundraiser for the 4-H organization’s teen program. For more information, call “Igor” at (209) 768-8209 or visit darkrealmhauntedhouse.com.

• A Fall Festival will be held from 5 to 8 p.m. Friday in the gymnasium at Curtis Creek Elementary School. Admission is free, but food and beverage tickets cost $5 per person (family ticket costs $20), an unlimited games wristband costs $5, and an activity punch card costs $2. In addition to food and games, the event will offer a haunted house ($1 per person entry fee), raffle prizes, silent auction and a photo booth. Proceeds will benefit sixth-grade science camp. The school is at 18755 Standard Road in the Sonora area.

• Sonora Elks Lodge will present a Halloween Dinner Party at the Elks Lodge, 100 Elk Drive in Sonora, on Friday. Doors open at 5 p.m., with dinner served at 6:30 p.m. Dinner is $13 per person, and costumes are encouraged. Call (209) 533-1587 for reservations.

• The second annual Witch Walk will be held from 5 to 9 p.m. Friday in downtown Murphys.

• The Promotion Club of Jamestown will host a Halloween Celebration in downtown Jamestown. The event begins at 10 a.m. Saturday with storyteller Claudia Tonge in Rocca Park’s gazebo. That’s followed by “Trick or Treat Street” at merchants along Jamestown’s Main Street from 11 a.m. to noon. Then a Halloween Parade will start at Realty World and end at Jamestown Elementary School’s Harvest Festival.

• The Junction shopping center in East Sonora will host its annual Halloween Parade and Costume Contest this Saturday. Registration will begin at 10 a.m. under the clock, and prizes will be awarded in four categories: Up to 4 years old, 5 to 8 years old, 9 to 12 years old and group costumes. The parade will start at 11 a.m., and participants should bring their own trick-or-treat bag for collecting candy.

The Columbia Chamber of Commerce, Columbia State Historic Park and Friends of Columbia State Historic Park will sponsor a “Boo Boulevard Halloween” this Saturday at the park. From 3 to 6 p.m., Columbia business owners, docents and park staff will partner to open more than 15 trick-or-treat stops for visitors dressed in Halloween costumes. Beginning at 4 p.m., visitors are invited to bring their carved pumpkins to the Columbia Museum at the center of town for the annual Illumination of the Jack-o’-lanterns. Prizes will be given in various categories. At 6 p.m., a costume contest for children will be held. For more information, call (209) 588-9128, go online to parks.ca.gov/columbia or stop in the Columbia Museum on Main Street.

• A free “Scary Story Party Night” will be held at 5:30 p.m. Saturday at the San Andreas Main Library, 1299 Gold Hunter Rd. Enjoy ghostly goodies and secret potions for sale, hot dogs, book giveaways, cookie walk, and crafts. Tales will be told by Claudia Tonge. Win prizes for best kid’s costume, best story and best picture. Sponsored by the Friends of the Library of San Andreas/Mountain Ranch. For more information, call (209) 754-6510.

“Sheer Madness Museum of Horrors” will be held from 6 to 10:30 p.m. Saturday at Sonora High School’s cosmetology building. Entry is $5 for adults, and $3 for children.

• Coulterville’s Main Street merchants will once again host its annual Trunk or Treat event at 6 p.m. Saturday featuring free candy and haunted hotel tours. Call (209) 878-3807 for more information.

• Saddle Creek Golf Resort in Copperopolis will present a Halloween Casino and Dance Party starting at 6:30 p.m. Saturday. This event includes games, food, dancing, a costume contest, and drink specials. Cost is $40 per person. Call (209) 785-7400 for more information.

• A Halloween Casino Night Fundraiser will be held from 6:30 to 10:30 p.m. Saturday at the Sonora Moose Lodge. Tickets are $20 and can be purchased at the door. This includes “fun money” for gambling and appetizers. There will also be a raffle, auction, no-host bar and music by Route 66. All proceeds will go to Cassandra Keuning and Jessica Svorinich, two young mothers who are battling breast cancer. Halloween costumes are optional. For questions, call or text (209) 352-6384.

• Murphys Creek Theatre will host a showing of the “The Rocky Horror Picture Show” Saturday at the Black Bart Playhouse, 580 S. Algiers St. in Murphys. Tickets are $20 each and include a prop bag to use during the show. There will also be a Halloween costume contest, raffle for prize baskets and live music along with the midnight movie showing. This fundraising event starts at 9 p.m. with Italian sausage, beer, wine, sodas and snacks available to purchase. Call (209) 728-8422 or visit murphyscreektheatre.org for more information.

• Lake Don Pedro Elementary School’s annual Harvest Festival will be held Sunday at the school, 2411 Hidalgo St. The event, organized by the school’s parents’ club, will offer a variety of festival games, including a cake walk, and Trunk or Treat (in the parking lot) and a haunted house. The event will begin at 4:30 p.m. Entry and some games are free, but the cake walk costs $1, and entry into the haunted house is $1 or $5 for unlimited trips. Food and drinks will also be for sale.

• Chapel in the Pines in Arnold will host its sixth annual Trunk or Treat from 5 to 7 p.m. Sunday. This family-friendly event includes trick-or-treating, a bounce house, games and free hot dogs. For more information or to host a car, call Jill Jodie at (209) 795-1064 or email jill@chapelinthepines.org .

• The Tuolumne Park and Recreation District will host a Halloween Parade on Tuesday, Oct. 31. The parade will line up at the Tuolumne Veterans Memorial Hall at 4:30 p.m. and start at 5 p.m. Call (209) 928-1214 for more information.

• A Halloween Festival will be held at Sierra Waldorf School starting at 5:30 p.m. Tuesday, Oct. 31. There will be a Viking ship, hay maze and Roman games along with magical fairy tales and much more. Entry is by donation, with free parking. The school is at 19234 Rawhide Rd. in Jamestown.